source3/utils/status.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    status reporting
   4    Copyright (C) Andrew Tridgell 1994-1998
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19    Revision History:
  20
  21    12 aug 96: Erik.Devriendt@te6.siemens.be
  22    added support for shared memory implementation of share mode locking
  23
  24    21-Jul-1998: rsharpe@ns.aus.com (Richard Sharpe)
  25    Added -L (locks only) -S (shares only) flags and code
  26
  27 */
  28
  29 /*
  30  * This program reports current SMB connections
  31  */
  32
  33 #include "includes.h"
  34 #include "lib/util/server_id.h"
  35 #include "smbd/globals.h"
  36 #include "system/filesys.h"
  37 #include "lib/cmdline/cmdline.h"
  38 #include "dbwrap/dbwrap.h"
  39 #include "dbwrap/dbwrap_open.h"
  40 #include "../libcli/security/security.h"
  41 #include "session.h"
  42 #include "locking/share_mode_lock.h"
  43 #include "locking/proto.h"
  44 #include "messages.h"
  45 #include "librpc/gen_ndr/open_files.h"
  46 #include "smbd/smbd.h"
  47 #include "librpc/gen_ndr/notify.h"
  48 #include "conn_tdb.h"
  49 #include "serverid.h"
  50 #include "status_profile.h"
  51 #include "status.h"
  52 #include "status_json.h"
  53 #include "smbd/notifyd/notifyd_db.h"
  54 #include "cmdline_contexts.h"
  55 #include "locking/leases_db.h"
  56 #include "lib/util/string_wrappers.h"
  57
  58 #ifdef HAVE_JANSSON
  59 #include <jansson.h>
  60 #include "audit_logging.h" /* various JSON helpers */
  61 #include "auth/common_auth.h"
  62 #endif /* HAVE_JANSSON */
  63
  64 #define SMB_MAXPIDS             2048
  65 static uid_t            Ucrit_uid = 0;               /* added by OH */
  66 static struct server_id Ucrit_pid[SMB_MAXPIDS];  /* Ugly !!! */   /* added by OH */
  67 static int              Ucrit_MaxPid=0;                    /* added by OH */
  68 static unsigned int     Ucrit_IsActive = 0;                /* added by OH */
  69
  70 static bool verbose, brief;
  71 static bool shares_only;            /* Added by RJS */
  72 static bool locks_only;            /* Added by RJS */
  73 static bool processes_only;
  74 static bool show_brl;
  75 static bool numeric_only;
  76 static bool do_checks = true;
  77
  78 const char *username = NULL;
  79
  80 /* added by OH */
  81 static void Ucrit_addUid(uid_t uid)
  82 {
  83         Ucrit_uid = uid;
  84         Ucrit_IsActive = 1;
  85 }
  86
  87 static unsigned int Ucrit_checkUid(uid_t uid)
  88 {
  89         if ( !Ucrit_IsActive )
  90                 return 1;
  91
  92         if ( uid == Ucrit_uid )
  93                 return 1;
  94
  95         return 0;
  96 }
  97
  98 static unsigned int Ucrit_checkPid(struct server_id pid)
  99 {
 100         int i;
 101
 102         if ( !Ucrit_IsActive )
 103                 return 1;
 104
 105         for (i=0;i<Ucrit_MaxPid;i++) {
 106                 if (server_id_equal(&pid, &Ucrit_pid[i])) {
 107                         return 1;
 108                 }
 109         }
 110
 111         return 0;
 112 }
 113
 114 static bool Ucrit_addPid( struct server_id pid )
 115 {
 116         if ( !Ucrit_IsActive )
 117                 return True;
 118
 119         if ( Ucrit_MaxPid >= SMB_MAXPIDS ) {
 120                 fprintf(stderr, "ERROR: More than %d pids for user %s!\n",
 121                          SMB_MAXPIDS, uidtoname(Ucrit_uid));
 122
 123                 return False;
 124         }
 125
 126         Ucrit_pid[Ucrit_MaxPid++] = pid;
 127
 128         return True;
 129 }
 130
 131 static int print_share_mode_stdout(struct traverse_state *state,
 132                                    const char *pid,
 133                                    const char *user_name,
 134                                    const char *denymode,
 135                                    int access_mask,
 136                                    const char *rw,
 137                                    const char *oplock,
 138                                    const char *servicepath,
 139                                    const char *filename,
 140                                    const char *timestr)
 141 {
 142         if (state->first) {
 143                 d_printf("\nLocked files:\n");
 144                 d_printf("Pid          User(ID)   DenyMode   Access      R/W        Oplock           SharePath   Name   Time\n");
 145                 d_printf("--------------------------------------------------------------------------------------------------\n");
 146
 147                 state->first = false;
 148         }
 149
 150         d_printf("%-11s  %-9s  %-10s 0x%-8x  %-10s %-14s   %s   %s   %s",
 151                  pid, user_name, denymode, access_mask, rw, oplock,
 152                  servicepath, filename, timestr);
 153         return 0;
 154 }
 155
 156 static int prepare_share_mode(struct traverse_state *state)
 157 {
 158         /* only print header line if there are open files */
 159         state->first = true;
 160
 161         return 0;
 162 }
 163
 164 static int print_share_mode(struct file_id fid,
 165                             const struct share_mode_data *d,
 166                             const struct share_mode_entry *e,
 167                             void *private_data)
 168 {
 169         const char *denymode = NULL;
 170         uint denymode_int;
 171         const char *oplock = NULL;
 172         const char *pid = NULL;
 173         const char *rw = NULL;
 174         const char *filename = NULL;
 175         const char *timestr = NULL;
 176         const char *user_str = NULL;
 177         struct traverse_state *state = (struct traverse_state *)private_data;
 178
 179         TALLOC_CTX *tmp_ctx = talloc_stackframe();
 180         if (tmp_ctx == NULL) {
 181                 return -1;
 182         }
 183
 184         if (do_checks && !is_valid_share_mode_entry(e)) {
 185                 TALLOC_FREE(tmp_ctx);
 186                 return 0;
 187         }
 188
 189         if (do_checks && !serverid_exists(&e->pid)) {
 190                 /* the process for this entry does not exist any more */
 191                 TALLOC_FREE(tmp_ctx);
 192                 return 0;
 193         }
 194
 195         if (Ucrit_checkPid(e->pid)) {
 196                 struct server_id_buf tmp;
 197                 pid = server_id_str_buf(e->pid, &tmp);
 198                 if (state->resolve_uids) {
 199                         user_str = talloc_asprintf(tmp_ctx, "%s", uidtoname(e->uid));
 200                 } else {
 201                         user_str = talloc_asprintf(tmp_ctx, "%u", (unsigned int)e->uid);
 202                 }
 203                 if (user_str == NULL) {
 204                         TALLOC_FREE(tmp_ctx);
 205                         return -1;
 206                 }
 207
 208                 denymode_int = map_share_mode_to_deny_mode(e->share_access,
 209                                                            e->private_options);
 210                 switch (denymode_int) {
 211                         case DENY_NONE:
 212                                 denymode = "DENY_NONE";
 213                                 break;
 214                         case DENY_ALL:
 215                                 denymode = "DENY_ALL";
 216                                 break;
 217                         case DENY_DOS:
 218                                 denymode = "DENY_DOS";
 219                                 break;
 220                         case DENY_READ:
 221                                 denymode = "DENY_READ";
 222                                 break;
 223                         case DENY_WRITE:
 224                                 denymode = "DENY_WRITE";
 225                                 break;
 226                         case DENY_FCB:
 227                                 denymode = "DENY_FCB";
 228                                 break;
 229                         default: {
 230                                 denymode = talloc_asprintf(tmp_ctx,
 231                                                            "UNKNOWN(0x%08x)",
 232                                                            denymode_int);
 233                                 if (denymode == NULL) {
 234                                         TALLOC_FREE(tmp_ctx);
 235                                         return -1;
 236                                 }
 237                                 fprintf(stderr,
 238                                         "unknown-please report ! "
 239                                         "e->share_access = 0x%x, "
 240                                         "e->private_options = 0x%x\n",
 241                                         (unsigned int)e->share_access,
 242                                         (unsigned int)e->private_options);
 243                                 break;
 244                         }
 245                 }
 246                 filename = talloc_asprintf(tmp_ctx,
 247                                            "%s%s",
 248                                            d->base_name,
 249                                            (d->stream_name != NULL) ? d->stream_name : "");
 250                 if (filename == NULL) {
 251                         TALLOC_FREE(tmp_ctx);
 252                         return -1;
 253                 }
 254                 if ((e->access_mask & (FILE_READ_DATA|FILE_WRITE_DATA))==
 255                                 (FILE_READ_DATA|FILE_WRITE_DATA)) {
 256                         rw = "RDWR";
 257                 } else if (e->access_mask & FILE_WRITE_DATA) {
 258                         rw = "WRONLY";
 259                 } else {
 260                         rw = "RDONLY";
 261                 }
 262
 263                 if (e->op_type & BATCH_OPLOCK) {
 264                         oplock = "BATCH";
 265                 } else if (e->op_type & EXCLUSIVE_OPLOCK) {
 266                         oplock = "EXCLUSIVE";
 267                 } else if (e->op_type & LEVEL_II_OPLOCK) {
 268                         oplock = "LEVEL_II";
 269                 } else if (e->op_type == LEASE_OPLOCK) {
 270                         NTSTATUS status;
 271                         uint32_t lstate;
 272
 273                         status = leases_db_get(
 274                                 &e->client_guid,
 275                                 &e->lease_key,
 276                                 &d->id,
 277                                 &lstate, /* current_state */
 278                                 NULL, /* breaking */
 279                                 NULL, /* breaking_to_requested */
 280                                 NULL, /* breaking_to_required */
 281                                 NULL, /* lease_version */
 282                                 NULL); /* epoch */
 283
 284                         if (NT_STATUS_IS_OK(status)) {
 285                                 oplock = talloc_asprintf(tmp_ctx, "LEASE(%s%s%s)%s%s%s",
 286                                                  (lstate & SMB2_LEASE_READ)?"R":"",
 287                                                  (lstate & SMB2_LEASE_WRITE)?"W":"",
 288                                                  (lstate & SMB2_LEASE_HANDLE)?"H":"",
 289                                                  (lstate & SMB2_LEASE_READ)?"":" ",
 290                                                  (lstate & SMB2_LEASE_WRITE)?"":" ",
 291                                                  (lstate & SMB2_LEASE_HANDLE)?"":" ");
 292                         } else {
 293                                 oplock = "LEASE STATE UNKNOWN";
 294                         }
 295                 } else {
 296                         oplock = "NONE";
 297                 }
 298
 299                 timestr = time_to_asc((time_t)e->time.tv_sec);
 300                 print_share_mode_stdout(state,
 301                                         pid,
 302                                         user_str,
 303                                         denymode,
 304                                         (unsigned int)e->access_mask,
 305                                         rw,
 306                                         oplock,
 307                                         d->servicepath,
 308                                         filename,
 309                                         timestr);
 310         }
 311         TALLOC_FREE(tmp_ctx);
 312         return 0;
 313 }
 314
 315 static void print_brl_stdout(struct traverse_state *state,
 316                              char *pid,
 317                              char *id,
 318                              const char *desc,
 319                              intmax_t start,
 320                              intmax_t size,
 321                              const char *sharepath,
 322                              char *fname)
 323 {
 324         if (state->first) {
 325                 d_printf("Byte range locks:\n");
 326                 d_printf("Pid        dev:inode       R/W  start     size      SharePath               Name\n");
 327                 d_printf("--------------------------------------------------------------------------------\n");
 328
 329                 state->first = false;
 330         }
 331         d_printf("%-10s %-15s %-4s %-9jd %-9jd %-24s %-24s\n",
 332                  pid, id, desc, start, size, sharepath, fname);
 333 }
 334
 335 static int prepare_brl(struct traverse_state *state)
 336 {
 337         /* only print header line if there are locked files */
 338         state->first = true;
 339
 340         return 0;
 341 }
 342
 343 static void print_brl(struct file_id id,
 344                         struct server_id pid,
 345                         enum brl_type lock_type,
 346                         enum brl_flavour lock_flav,
 347                         br_off start,
 348                         br_off size,
 349                         void *private_data)
 350 {
 351         unsigned int i;
 352         static const struct {
 353                 enum brl_type lock_type;
 354                 const char *desc;
 355         } lock_types[] = {
 356                 { READ_LOCK, "R" },
 357                 { WRITE_LOCK, "W" },
 358                 { UNLOCK_LOCK, "U" }
 359         };
 360         const char *desc="X";
 361         const char *sharepath = "";
 362         char *fname = NULL;
 363         struct share_mode_lock *share_mode;
 364         struct server_id_buf tmp;
 365         struct file_id_buf ftmp;
 366         struct traverse_state *state = (struct traverse_state *)private_data;
 367
 368         share_mode = fetch_share_mode_unlocked(NULL, id);
 369         if (share_mode) {
 370                 fname = share_mode_filename(NULL, share_mode);
 371         } else {
 372                 fname = talloc_strdup(NULL, "");
 373                 if (fname == NULL) {
 374                         return;
 375                 }
 376         }
 377
 378         for (i=0;i<ARRAY_SIZE(lock_types);i++) {
 379                 if (lock_type == lock_types[i].lock_type) {
 380                         desc = lock_types[i].desc;
 381                 }
 382         }
 383
 384         print_brl_stdout(state,
 385                          server_id_str_buf(pid, &tmp),
 386                          file_id_str_buf(id, &ftmp),
 387                          desc,
 388                          (intmax_t)start,
 389                          (intmax_t)size,
 390                          sharepath,
 391                          fname);
 392
 393         TALLOC_FREE(fname);
 394         TALLOC_FREE(share_mode);
 395 }
 396
 397 static const char *session_dialect_str(uint16_t dialect)
 398 {
 399         static fstring unknown_dialect;
 400
 401         switch(dialect){
 402         case SMB2_DIALECT_REVISION_000:
 403                 return "NT1";
 404         case SMB2_DIALECT_REVISION_202:
 405                 return "SMB2_02";
 406         case SMB2_DIALECT_REVISION_210:
 407                 return "SMB2_10";
 408         case SMB2_DIALECT_REVISION_222:
 409                 return "SMB2_22";
 410         case SMB2_DIALECT_REVISION_224:
 411                 return "SMB2_24";
 412         case SMB3_DIALECT_REVISION_300:
 413                 return "SMB3_00";
 414         case SMB3_DIALECT_REVISION_302:
 415                 return "SMB3_02";
 416         case SMB3_DIALECT_REVISION_310:
 417                 return "SMB3_10";
 418         case SMB3_DIALECT_REVISION_311:
 419                 return "SMB3_11";
 420         }
 421
 422         fstr_sprintf(unknown_dialect, "Unknown (0x%04x)", dialect);
 423         return unknown_dialect;
 424 }
 425
 426 static int traverse_connections_stdout(struct traverse_state *state,
 427                                        const char *servicename,
 428                                        char *server_id,
 429                                        const char *machine,
 430                                        const char *timestr,
 431                                        const char *encryption,
 432                                        const char *signing)
 433 {
 434         d_printf("%-12s %-7s %-13s %-32s %-12s %-12s\n",
 435                  servicename, server_id, machine, timestr, encryption, signing);
 436
 437         return 0;
 438 }
 439
 440 static int prepare_connections(struct traverse_state *state)
 441 {
 442         /* always print header line */
 443         d_printf("\n%-12s %-7s %-13s %-32s %-12s %-12s\n", "Service", "pid", "Machine", "Connected at", "Encryption", "Signing");
 444         d_printf("---------------------------------------------------------------------------------------------\n");
 445
 446         return 0;
 447 }
 448
 449 static int traverse_connections(const struct connections_data *crec,
 450                                 void *private_data)
 451 {
 452         struct server_id_buf tmp;
 453         char *timestr = NULL;
 454         int result = 0;
 455         const char *encryption = "-";
 456         const char *signing = "-";
 457         struct traverse_state *state = (struct traverse_state *)private_data;
 458
 459         TALLOC_CTX *tmp_ctx = talloc_stackframe();
 460         if (tmp_ctx == NULL) {
 461                 return -1;
 462         }
 463
 464         if (crec->cnum == TID_FIELD_INVALID) {
 465                 TALLOC_FREE(tmp_ctx);
 466                 return 0;
 467         }
 468
 469         if (do_checks &&
 470             (!process_exists(crec->pid) || !Ucrit_checkUid(crec->uid))) {
 471                 TALLOC_FREE(tmp_ctx);
 472                 return 0;
 473         }
 474
 475         timestr = timestring(tmp_ctx, crec->start);
 476         if (timestr == NULL) {
 477                 TALLOC_FREE(tmp_ctx);
 478                 return -1;
 479         }
 480
 481         if (smbXsrv_is_encrypted(crec->encryption_flags)) {
 482                 switch (crec->cipher) {
 483                 case SMB_ENCRYPTION_GSSAPI:
 484                         encryption = "GSSAPI";
 485                         break;
 486                 case SMB2_ENCRYPTION_AES128_CCM:
 487                         encryption = "AES-128-CCM";
 488                         break;
 489                 case SMB2_ENCRYPTION_AES128_GCM:
 490                         encryption = "AES-128-GCM";
 491                         break;
 492                 default:
 493                         encryption = "???";
 494                         result = -1;
 495                         break;
 496                 }
 497         }
 498
 499         if (smbXsrv_is_signed(crec->signing_flags)) {
 500                 switch (crec->signing) {
 501                 case SMB2_SIGNING_MD5_SMB1:
 502                         signing = "HMAC-MD5";
 503                         break;
 504                 case SMB2_SIGNING_HMAC_SHA256:
 505                         signing = "HMAC-SHA256";
 506                         break;
 507                 case SMB2_SIGNING_AES128_CMAC:
 508                         signing = "AES-128-CMAC";
 509                         break;
 510                 case SMB2_SIGNING_AES128_GMAC:
 511                         signing = "AES-128-GMAC";
 512                         break;
 513                 default:
 514                         signing = "???";
 515                         result = -1;
 516                         break;
 517                 }
 518         }
 519
 520         result = traverse_connections_stdout(state,
 521                                              crec->servicename,
 522                                              server_id_str_buf(crec->pid, &tmp),
 523                                              crec->machine,
 524                                              timestr,
 525                                              encryption,
 526                                              signing);
 527
 528         TALLOC_FREE(timestr);
 529         TALLOC_FREE(tmp_ctx);
 530
 531         return result;
 532 }
 533
 534 static int traverse_sessionid_stdout(struct traverse_state *state,
 535                                      char *server_id,
 536                                      char *uid_gid_str,
 537                                      char *machine_hostname,
 538                                      const char *dialect,
 539                                      const char *encryption_cipher,
 540                                      enum crypto_degree encryption_degree,
 541                                      const char *signing_cipher,
 542                                      enum crypto_degree signing_degree)
 543 {
 544         fstring encryption;
 545         fstring signing;
 546
 547         if (encryption_degree == CRYPTO_DEGREE_FULL) {
 548                 fstr_sprintf(encryption, "%s", encryption_cipher);
 549         } else if (encryption_degree == CRYPTO_DEGREE_PARTIAL) {
 550                 fstr_sprintf(encryption, "partial(%s)", encryption_cipher);
 551         } else {
 552                 fstr_sprintf(encryption, "-");
 553         }
 554         if (signing_degree == CRYPTO_DEGREE_FULL) {
 555                 fstr_sprintf(signing, "%s", signing_cipher);
 556         } else if (signing_degree == CRYPTO_DEGREE_PARTIAL) {
 557                 fstr_sprintf(signing, "partial(%s)", signing_cipher);
 558         } else {
 559                 fstr_sprintf(signing, "-");
 560         }
 561
 562         d_printf("%-7s %-25s %-41s %-17s %-20s %-21s\n",
 563                  server_id, uid_gid_str, machine_hostname, dialect, encryption,
 564                  signing);
 565
 566         return 0;
 567 }
 568
 569 static int prepare_sessionid(struct traverse_state *state)
 570 {
 571         /* always print header line */
 572         d_printf("\nSamba version %s\n",samba_version_string());
 573         d_printf("%-7s %-12s %-12s %-41s %-17s %-20s %-21s\n", "PID", "Username", "Group", "Machine", "Protocol Version", "Encryption", "Signing");
 574         d_printf("----------------------------------------------------------------------------------------------------------------------------------------\n");
 575
 576         return 0;
 577
 578 }
 579
 580 static int traverse_sessionid(const char *key, struct sessionid *session,
 581                               void *private_data)
 582 {
 583         fstring uid_gid_str;
 584         struct server_id_buf tmp;
 585         char *machine_hostname = NULL;
 586         int result = 0;
 587         const char *encryption = "-";
 588         enum crypto_degree encryption_degree = CRYPTO_DEGREE_NONE;
 589         const char *signing = "-";
 590         enum crypto_degree signing_degree = CRYPTO_DEGREE_NONE;
 591         struct traverse_state *state = (struct traverse_state *)private_data;
 592
 593         TALLOC_CTX *tmp_ctx = talloc_stackframe();
 594         if (tmp_ctx == NULL) {
 595                 return -1;
 596         }
 597
 598         if (do_checks &&
 599             (!process_exists(session->pid) ||
 600              !Ucrit_checkUid(session->uid))) {
 601                 TALLOC_FREE(tmp_ctx);
 602                 return 0;
 603         }
 604
 605         Ucrit_addPid(session->pid);
 606
 607         if (numeric_only) {
 608                 fstr_sprintf(uid_gid_str, "%-12u %-12u",
 609                              (unsigned int)session->uid,
 610                              (unsigned int)session->gid);
 611         } else {
 612                 if (session->uid == -1 && session->gid == -1) {
 613                         /*
 614                          * The session is not fully authenticated yet.
 615                          */
 616                         fstrcpy(uid_gid_str, "(auth in progress)");
 617                 } else {
 618                         /*
 619                          * In theory it should not happen that one of
 620                          * session->uid and session->gid is valid (ie != -1)
 621                          * while the other is not (ie = -1), so we a check for
 622                          * that case that bails out would be reasonable.
 623                          */
 624                         const char *uid_name = "-1";
 625                         const char *gid_name = "-1";
 626
 627                         if (session->uid != -1) {
 628                                 uid_name = uidtoname(session->uid);
 629                                 if (uid_name == NULL) {
 630                                         TALLOC_FREE(tmp_ctx);
 631                                         return -1;
 632                                 }
 633                         }
 634                         if (session->gid != -1) {
 635                                 gid_name = gidtoname(session->gid);
 636                                 if (gid_name == NULL) {
 637                                         TALLOC_FREE(tmp_ctx);
 638                                         return -1;
 639                                 }
 640                         }
 641                         fstr_sprintf(uid_gid_str, "%-12s %-12s",
 642                                      uid_name, gid_name);
 643                 }
 644         }
 645
 646         machine_hostname = talloc_asprintf(tmp_ctx, "%s (%s)",
 647                                            session->remote_machine,
 648                                            session->hostname);
 649         if (machine_hostname == NULL) {
 650                 TALLOC_FREE(tmp_ctx);
 651                 return -1;
 652         }
 653
 654         if (smbXsrv_is_encrypted(session->encryption_flags) ||
 655                         smbXsrv_is_partially_encrypted(session->encryption_flags)) {
 656                 switch (session->cipher) {
 657                 case SMB2_ENCRYPTION_AES128_CCM:
 658                         encryption = "AES-128-CCM";
 659                         break;
 660                 case SMB2_ENCRYPTION_AES128_GCM:
 661                         encryption = "AES-128-GCM";
 662                         break;
 663                 case SMB2_ENCRYPTION_AES256_CCM:
 664                         encryption = "AES-256-CCM";
 665                         break;
 666                 case SMB2_ENCRYPTION_AES256_GCM:
 667                         encryption = "AES-256-GCM";
 668                         break;
 669                 default:
 670                         encryption = "???";
 671                         result = -1;
 672                         break;
 673                 }
 674                 if (smbXsrv_is_encrypted(session->encryption_flags)) {
 675                         encryption_degree = CRYPTO_DEGREE_FULL;
 676                 } else if (smbXsrv_is_partially_encrypted(session->encryption_flags)) {
 677                         encryption_degree = CRYPTO_DEGREE_PARTIAL;
 678                 }
 679         }
 680
 681         if (smbXsrv_is_signed(session->signing_flags) ||
 682                         smbXsrv_is_partially_signed(session->signing_flags)) {
 683                 switch (session->signing) {
 684                 case SMB2_SIGNING_MD5_SMB1:
 685                         signing = "HMAC-MD5";
 686                         break;
 687                 case SMB2_SIGNING_HMAC_SHA256:
 688                         signing = "HMAC-SHA256";
 689                         break;
 690                 case SMB2_SIGNING_AES128_CMAC:
 691                         signing = "AES-128-CMAC";
 692                         break;
 693                 case SMB2_SIGNING_AES128_GMAC:
 694                         signing = "AES-128-GMAC";
 695                         break;
 696                 default:
 697                         signing = "???";
 698                         result = -1;
 699                         break;
 700                 }
 701                 if (smbXsrv_is_signed(session->signing_flags)) {
 702                         signing_degree = CRYPTO_DEGREE_FULL;
 703                 } else if (smbXsrv_is_partially_signed(session->signing_flags)) {
 704                         signing_degree = CRYPTO_DEGREE_PARTIAL;
 705                 }
 706         }
 707
 708
 709         traverse_sessionid_stdout(state,
 710                                   server_id_str_buf(session->pid, &tmp),
 711                                   uid_gid_str,
 712                                   machine_hostname,
 713                                   session_dialect_str(session->connection_dialect),
 714                                   encryption,
 715                                   encryption_degree,
 716                                   signing,
 717                                   signing_degree);
 718
 719         TALLOC_FREE(machine_hostname);
 720         TALLOC_FREE(tmp_ctx);
 721
 722         return result;
 723 }
 724
 725
 726 static bool print_notify_rec_stdout(struct traverse_state *state,
 727                                     const char *path,
 728                                     char *server_id_str,
 729                                     unsigned filter,
 730                                     unsigned subdir_filter)
 731 {
 732         d_printf("%s\\%s\\%x\\%x\n", path, server_id_str,
 733                  filter, subdir_filter);
 734
 735         return true;
 736 }
 737
 738 static int prepare_notify(struct traverse_state *state)
 739 {
 740         /* don't print header line */
 741
 742         return 0;
 743 }
 744
 745 static bool print_notify_rec(const char *path, struct server_id server,
 746                              const struct notify_instance *instance,
 747                              void *private_data)
 748 {
 749         struct server_id_buf idbuf;
 750         struct traverse_state *state = (struct traverse_state *)private_data;
 751         bool result;
 752
 753         result = print_notify_rec_stdout(state,
 754                                          path,
 755                                          server_id_str_buf(server, &idbuf),
 756                                          (unsigned)instance->filter,
 757                                          (unsigned)instance->subdir_filter);
 758
 759         return result;
 760 }
 761
 762 enum {
 763         OPT_RESOLVE_UIDS = 1000,
 764 };
 765
 766 int main(int argc, const char *argv[])
 767 {
 768         int c;
 769         int profile_only = 0;
 770         bool show_processes, show_locks, show_shares;
 771         bool show_notify = false;
 772         poptContext pc = NULL;
 773         struct traverse_state state = {0};
 774         struct poptOption long_options[] = {
 775                 POPT_AUTOHELP
 776                 {
 777                         .longName   = "processes",
 778                         .shortName  = 'p',
 779                         .argInfo    = POPT_ARG_NONE,
 780                         .arg        = NULL,
 781                         .val        = 'p',
 782                         .descrip    = "Show processes only",
 783                 },
 784                 {
 785                         .longName   = "verbose",
 786                         .shortName  = 'v',
 787                         .argInfo    = POPT_ARG_NONE,
 788                         .arg        = NULL,
 789                         .val        = 'v',
 790                         .descrip    = "Be verbose",
 791                 },
 792                 {
 793                         .longName   = "locks",
 794                         .shortName  = 'L',
 795                         .argInfo    = POPT_ARG_NONE,
 796                         .arg        = NULL,
 797                         .val        = 'L',
 798                         .descrip    = "Show locks only",
 799                 },
 800                 {
 801                         .longName   = "shares",
 802                         .shortName  = 'S',
 803                         .argInfo    = POPT_ARG_NONE,
 804                         .arg        = NULL,
 805                         .val        = 'S',
 806                         .descrip    = "Show shares only",
 807                 },
 808                 {
 809                         .longName   = "notify",
 810                         .shortName  = 'N',
 811                         .argInfo    = POPT_ARG_NONE,
 812                         .arg        = NULL,
 813                         .val        = 'N',
 814                         .descrip    = "Show notifies",
 815                 },
 816                 {
 817                         .longName   = "user",
 818                         .shortName  = 'u',
 819                         .argInfo    = POPT_ARG_STRING,
 820                         .arg        = &username,
 821                         .val        = 'u',
 822                         .descrip    = "Switch to user",
 823                 },
 824                 {
 825                         .longName   = "brief",
 826                         .shortName  = 'b',
 827                         .argInfo    = POPT_ARG_NONE,
 828                         .arg        = NULL,
 829                         .val        = 'b',
 830                         .descrip    = "Be brief",
 831                 },
 832                 {
 833                         .longName   = "profile",
 834                         .shortName  =     'P',
 835                         .argInfo    = POPT_ARG_NONE,
 836                         .arg        = NULL,
 837                         .val        = 'P',
 838                         .descrip    = "Do profiling",
 839                 },
 840                 {
 841                         .longName   = "profile-rates",
 842                         .shortName  = 'R',
 843                         .argInfo    = POPT_ARG_NONE,
 844                         .arg        = NULL,
 845                         .val        = 'R',
 846                         .descrip    = "Show call rates",
 847                 },
 848                 {
 849                         .longName   = "byterange",
 850                         .shortName  = 'B',
 851                         .argInfo    = POPT_ARG_NONE,
 852                         .arg        = NULL,
 853                         .val        = 'B',
 854                         .descrip    = "Include byte range locks"
 855                 },
 856                 {
 857                         .longName   = "numeric",
 858                         .shortName  = 'n',
 859                         .argInfo    = POPT_ARG_NONE,
 860                         .arg        = NULL,
 861                         .val        = 'n',
 862                         .descrip    = "Numeric uid/gid"
 863                 },
 864                 {
 865                         .longName   = "fast",
 866                         .shortName  = 'f',
 867                         .argInfo    = POPT_ARG_NONE,
 868                         .arg        = NULL,
 869                         .val        = 'f',
 870                         .descrip    = "Skip checks if processes still exist"
 871                 },
 872                 {
 873                         .longName   = "resolve-uids",
 874                         .shortName  = 0,
 875                         .argInfo    = POPT_ARG_NONE,
 876                         .arg        = NULL,
 877                         .val        = OPT_RESOLVE_UIDS,
 878                         .descrip    = "Try to resolve UIDs to usernames"
 879                 },
 880                 POPT_COMMON_SAMBA
 881                 POPT_COMMON_VERSION
 882                 POPT_TABLEEND
 883         };
 884         TALLOC_CTX *frame = talloc_stackframe();
 885         int ret = 0;
 886         struct messaging_context *msg_ctx = NULL;
 887         char *db_path;
 888         bool ok;
 889
 890         state.first = true;
 891         state.json_output = false;
 892         state.resolve_uids = false;
 893
 894         smb_init_locale();
 895
 896         ok = samba_cmdline_init(frame,
 897                                 SAMBA_CMDLINE_CONFIG_CLIENT,
 898                                 false /* require_smbconf */);
 899         if (!ok) {
 900                 DBG_ERR("Failed to init cmdline parser!\n");
 901                 TALLOC_FREE(frame);
 902                 exit(1);
 903         }
 904         lp_set_cmdline("log level", "0");
 905
 906         pc = samba_popt_get_context(getprogname(),
 907                                     argc,
 908                                     argv,
 909                                     long_options,
 910                                     POPT_CONTEXT_KEEP_FIRST);
 911         if (pc == NULL) {
 912                 DBG_ERR("Failed to setup popt context!\n");
 913                 TALLOC_FREE(frame);
 914                 exit(1);
 915         }
 916
 917         while ((c = poptGetNextOpt(pc)) != -1) {
 918                 switch (c) {
 919                 case 'p':
 920                         processes_only = true;
 921                         break;
 922                 case 'v':
 923                         verbose = true;
 924                         break;
 925                 case 'L':
 926                         locks_only = true;
 927                         break;
 928                 case 'S':
 929                         shares_only = true;
 930                         break;
 931                 case 'N':
 932                         show_notify = true;
 933                         break;
 934                 case 'b':
 935                         brief = true;
 936                         break;
 937                 case 'u':
 938                         Ucrit_addUid(nametouid(poptGetOptArg(pc)));
 939                         break;
 940                 case 'P':
 941                 case 'R':
 942                         profile_only = c;
 943                         break;
 944                 case 'B':
 945                         show_brl = true;
 946                         break;
 947                 case 'n':
 948                         numeric_only = true;
 949                         break;
 950                 case 'f':
 951                         do_checks = false;
 952                         break;
 953                 case OPT_RESOLVE_UIDS:
 954                         state.resolve_uids = true;
 955                         break;
 956                 case POPT_ERROR_BADOPT:
 957                         fprintf(stderr, "\nInvalid option %s: %s\n\n",
 958                                 poptBadOption(pc, 0), poptStrerror(c));
 959                         poptPrintUsage(pc, stderr, 0);
 960                         exit(1);
 961                 }
 962         }
 963
 964         sec_init();
 965
 966 #ifdef HAVE_JANSSON
 967         state.root_json = json_new_object();
 968 #endif /* HAVE_JANSSON */
 969
 970         if (getuid() != geteuid()) {
 971                 fprintf(stderr, "smbstatus should not be run setuid\n");
 972                 ret = 1;
 973                 goto done;
 974         }
 975
 976         if (getuid() != 0) {
 977                 fprintf(stderr, "smbstatus only works as root!\n");
 978                 ret = 1;
 979                 goto done;
 980         }
 981
 982         /* setup the flags based on the possible combincations */
 983
 984         show_processes = !(shares_only || locks_only || profile_only) || processes_only;
 985         show_locks     = !(shares_only || processes_only || profile_only) || locks_only;
 986         show_shares    = !(processes_only || locks_only || profile_only) || shares_only;
 987
 988         if ( username )
 989                 Ucrit_addUid( nametouid(username) );
 990
 991         if (verbose) {
 992                 d_printf("using configfile = %s\n", get_dyn_CONFIGFILE());
 993         }
 994
 995         msg_ctx = cmdline_messaging_context(get_dyn_CONFIGFILE());
 996         if (msg_ctx == NULL) {
 997                 fprintf(stderr, "Could not initialize messaging, not root?\n");
 998                 ret = -1;
 999                 goto done;
1000         }
1001
1002         switch (profile_only) {
1003                 case 'P':
1004                         /* Dump profile data */
1005                         ok = status_profile_dump(verbose);
1006                         ret = ok ? 0 : 1;
1007                         goto done;
1008                 case 'R':
1009                         /* Continuously display rate-converted data */
1010                         ok = status_profile_rates(verbose);
1011                         ret = ok ? 0 : 1;
1012                         goto done;
1013                 default:
1014                         break;
1015         }
1016
1017         if ( show_processes ) {
1018                 prepare_sessionid(&state);
1019                 sessionid_traverse_read(traverse_sessionid, &state);
1020
1021                 if (processes_only) {
1022                         goto done;
1023                 }
1024         }
1025
1026         if ( show_shares ) {
1027                 if (brief) {
1028                         goto done;
1029                 }
1030                 prepare_connections(&state);
1031                 connections_forall_read(traverse_connections, &state);
1032
1033                 d_printf("\n");
1034
1035                 if ( shares_only ) {
1036                         goto done;
1037                 }
1038         }
1039
1040         if ( show_locks ) {
1041                 int result;
1042                 struct db_context *db;
1043
1044                 db_path = lock_path(talloc_tos(), "locking.tdb");
1045                 if (db_path == NULL) {
1046                         fprintf(stderr, "Out of memory - exiting\n");
1047                         ret = -1;
1048                         goto done;
1049                 }
1050
1051                 db = db_open(NULL, db_path, 0,
1052                              TDB_CLEAR_IF_FIRST|TDB_INCOMPATIBLE_HASH, O_RDONLY, 0,
1053                              DBWRAP_LOCK_ORDER_1, DBWRAP_FLAG_NONE);
1054
1055                 if (!db) {
1056                         fprintf(stderr, "%s not initialised\n", db_path);
1057                         fprintf(stderr, "This is normal if an SMB client has never "
1058                                  "connected to your server.\n");
1059                         TALLOC_FREE(db_path);
1060                         exit(0);
1061                 } else {
1062                         TALLOC_FREE(db);
1063                         TALLOC_FREE(db_path);
1064                 }
1065
1066                 if (!locking_init_readonly()) {
1067                         fprintf(stderr, "Can't initialise locking module - exiting\n");
1068                         ret = 1;
1069                         goto done;
1070                 }
1071
1072                 prepare_share_mode(&state);
1073                 result = share_entry_forall(print_share_mode, &state);
1074
1075                 if (result == 0) {
1076                         fprintf(stderr, "No locked files\n");
1077                 } else if (result < 0) {
1078                         fprintf(stderr, "locked file list truncated\n");
1079                 }
1080
1081                 d_printf("\n");
1082
1083                 if (show_brl) {
1084                         prepare_brl(&state);
1085                         brl_forall(print_brl, &state);
1086                 }
1087
1088                 locking_end();
1089         }
1090
1091         if (show_notify) {
1092                 prepare_notify(&state);
1093                 notify_walk(msg_ctx, print_notify_rec, &state);
1094         }
1095
1096 done:
1097         cmdline_messaging_context_free();
1098         poptFreeContext(pc);
1099         TALLOC_FREE(frame);
1100         return ret;
1101 }